2 * Ported to Linux's Second Extended File System as part of the
3 * dump and restore backup suit
4 * Remy Card <card@Linux.EU.Org>, 1994-1997
5 * Stelian Pop <stelian@popies.net>, 1999-2000
6 * Stelian Pop <stelian@popies.net> - AlcĂ´ve <www.alcove.com>, 2000-2002
8 <<<<<<< HEAD:restore/restore.h
9 * $Id: restore.h,v 1.33 2005/07/07 09:16:08 stelian Exp $
11 * $Id: restore.h,v 1.34 2007/02/22 20:12:50 stelian Exp $
12 >>>>>>> upstream/0.4b42:restore/restore.h
16 * Copyright (c) 1983, 1993
17 * The Regents of the University of California. All rights reserved.
18 * (c) UNIX System Laboratories, Inc.
19 * All or some portions of this file are derived from material licensed
20 * to the University of California by American Telephone and Telegraph
21 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
22 * the permission of UNIX System Laboratories, Inc.
24 * Redistribution and use in source and binary forms, with or without
25 * modification, are permitted provided that the following conditions
27 * 1. Redistributions of source code must retain the above copyright
28 * notice, this list of conditions and the following disclaimer.
29 * 2. Redistributions in binary form must reproduce the above copyright
30 * notice, this list of conditions and the following disclaimer in the
31 * documentation and/or other materials provided with the distribution.
32 * 3. Neither the name of the University nor the names of its contributors
33 * may be used to endorse or promote products derived from this software
34 * without specific prior written permission.
36 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
37 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
39 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
40 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
41 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
42 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
44 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
45 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 #include <protocols/dumprestore.h>
54 extern int aflag; /* automatic volume increment */
55 extern char *Afile; /* archive file */
56 extern int cvtflag; /* convert from old to new tape format */
57 extern int bflag; /* set input block size */
58 extern int dflag; /* print out debugging info */
59 extern int hflag; /* restore heirarchies */
60 extern int lflag; /* assume remote filename is a regular file */
61 extern int Lflag; /* compare errors limit */
62 extern int mflag; /* restore by name instead of inode number */
63 extern int Mflag; /* multi-volume restore */
64 extern int oflag; /* do restore permissions without asking */
65 extern int Vflag; /* multi-volume on a single device like CDROM */
66 extern int Nflag; /* do not write the disk */
67 extern int uflag; /* unlink symlink targets */
68 extern int vflag; /* print out actions taken */
69 extern int yflag; /* always try to recover from tape errors */
70 extern int zflag; /* tape is in compressed format */
71 extern int ufs2flag; /* tape is a FreeBSD UFS2 dump */
72 extern char* bot_script; /* beginning of tape script */
76 extern char *host; /* name of the remote host */
77 extern char *dumpmap; /* map of inodes on this dump tape */
78 extern char *usedinomap; /* map of inodes that are in use on this fs */
79 extern dump_ino_t maxino; /* highest numbered inode in this file system */
80 extern long dumpnum; /* location of the dump on this tape */
81 extern long volno; /* current volume being read */
82 extern long ntrec; /* number of TP_BSIZE records per tape block */
83 extern time_t dumptime; /* time that this dump begins */
84 extern time_t dumpdate; /* time that this dump was made */
85 extern char command; /* opration being performed */
86 extern FILE *terminal; /* file descriptor for the terminal input */
87 extern int pipein; /* input is from a pipe */
88 extern char *tmpdir; /* name of temp directory */
89 extern int oldinofmt; /* reading tape with old format inodes */
90 extern int Bcvt; /* need byte swapping on inodes and dirs */
91 extern int compare_ignore_not_found;
92 /* used to compare incremental dumps, */
93 /* so messages about "not found" files */
95 extern int compare_errors; /* did we encounter any compare errors? */
96 extern char filesys[NAMELEN];/* name of dumped filesystem */
97 extern dump_ino_t volinfo[]; /* which inode on which volume archive info */
98 extern int wdfd; /* original working directory */
99 extern int dirhash_size; /* size of the directory hash table */
102 * Each file in the file system is described by one of these entries
105 char *e_name; /* the current name of this entry */
106 u_char e_namlen; /* length of this name */
107 char e_type; /* type of this entry, see below */
108 short e_flags; /* status flags, see below */
109 dump_ino_t e_ino; /* inode number in previous file sys */
110 long e_index; /* unique index (for dumpped table) */
111 struct entry *e_parent; /* pointer to parent directory (..) */
112 struct entry *e_sibling; /* next element in this directory (.) */
113 struct entry *e_links; /* hard links to this inode */
114 struct entry **e_entries; /* for directories, their entries */
115 struct entry *e_next; /* hash chain list */
118 #define LEAF 1 /* non-directory entry */
119 #define NODE 2 /* directory entry */
120 #define LINK 4 /* synthesized type, stripped by addentry */
122 #define EXTRACT 0x0001 /* entry is to be replaced from the tape */
123 #define NEW 0x0002 /* a new entry to be extracted */
124 #define KEEP 0x0004 /* entry is not to change */
125 #define REMOVED 0x0010 /* entry has been removed */
126 #define TMPNAME 0x0020 /* entry has been given a temporary name */
127 #define EXISTED 0x0040 /* directory already existed during extract */
130 * Constants associated with entry structs
134 #define TMPHDR "RSTTMP"
137 * The entry describes the next file available on the tape
140 char *name; /* name of file */
141 dump_ino_t ino; /* inumber of file */
142 #if defined(__linux__) || defined(sunos)
143 struct new_bsd_inode *dip; /* pointer to inode */
145 struct dinode *dip; /* pointer to inode */
147 char action; /* action being taken on this file */
150 #define USING 1 /* extracting from the tape */
151 #define SKIP 2 /* skipping */
152 #define UNKNOWN 3 /* disposition or starting point is unknown */
155 * Definitions for library routines operating on directories.
157 typedef struct rstdirdesc RST_DIR;
160 * Flags to setdirmodes.
167 #define TSTINO(ino, map) \
168 (map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY)))
169 #define SETINO(ino, map) \
170 map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY)
172 #define Dprintf if (dflag) fprintf
173 #define Vprintf if (vflag) fprintf
179 #define QFA_MAGIC "495115637697"
180 #define QFA_VERSION "1.0"
181 extern FILE *gTapeposfp;
182 extern char *gTapeposfile;
183 extern char gTps[255];
184 extern long gSeekstart;
185 extern int tapeposflag;
186 extern int gTapeposfd;
187 extern int createtapeposflag;
188 extern unsigned long qfadumpdate;
189 extern long long curtapepos;
197 #ifdef TRANSSELINUX /*GAN6May06 SELinux MLS */
198 extern int transselinuxflag;
199 extern char *transselinuxarg;
202 #define do_compare_error \
203 if (++compare_errors >= Lflag && Lflag) { \
204 printf("Compare errors limit reached, exiting...\n"); \
208 #define XATTR_MAXSIZE 4096